<!--
 * @Author: 哈尔滨大拐 3181845089@qq.com
 * @Date: 2022-07-10 17:26:29
 * @LastEditors: 哈尔滨大拐 3181845089@qq.com
 * @LastEditTime: 2022-07-10 17:37:15
 * @FilePath: \mygit\实验\17-随机彩票.html
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
-->
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <button id="btn">生成彩票</button>
    <div id="result">
        
    </div>

    <script>
        let btn = document.getElementById('btn');
        let result = document.getElementById('result');
        let obj = {};

        btn.addEventListener('click', function () {
            let arr = [];
            // 生成7个 [1-36] 随机数字
            for (let i = 0; i < 7; i++) {
                let num = Math.floor(Math.random() * 36) + 1;
                arr.push(num);
            }
            result.innerHTML = arr;

            let hash = Math.random();
            location.hash = hash;

            obj[hash] = arr;

        }, false);


        window.onhashchange = function () {
            let hash = location.hash.substr(1);
            result.innerHTML = obj[hash];
        }
    </script>
</body>

</html>